CN107887526A - Display panel and preparation method thereof, display device - Google Patents
Display panel and preparation method thereof, display device Download PDFInfo
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- CN107887526A CN107887526A CN201711045206.6A CN201711045206A CN107887526A CN 107887526 A CN107887526 A CN 107887526A CN 201711045206 A CN201711045206 A CN 201711045206A CN 107887526 A CN107887526 A CN 107887526A
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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
- H10K50/842—Containers
- H10K50/8426—Peripheral sealing arrangements, e.g. adhesives, sealants
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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
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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
Abstract
The invention provides a kind of display panel and preparation method thereof, display device, belong to display technology field.Wherein, display panel, including the first substrate and second substrate set to box, the first substrate and second substrate are packaged together by packaging plastic, the first encapsulating structure is provided with the first substrate, first encapsulating structure is located between packaging plastic coating zone and the viewing area of the first substrate, the second encapsulating structure is provided with the second substrate, second encapsulating structure is located between packaging plastic coating zone and the viewing area of the second substrate, first encapsulating structure and second encapsulating structure are in contact to form the closed barricade of encirclement viewing area.Technical scheme can improve isolation effect of the display panel to steam, improve life-span and the yield of display device.
Description
Technical field
The present invention relates to display technology field, particularly relates to a kind of display panel and preparation method thereof, display device.
Background technology
The packaged type commonly used during OLED display panel makes at present is, in infrabasal plate outermost coating DAM (cofferdam) envelopes
Glue is filled, the filling filling glue in packaging plastic, during infrabasal plate and upper substrate contraposition pressing, makes filling glue along certain side
To the gap spread and filled up between upper and lower base plate.
Because each luminescent layer of OLED display is organic material, the influence of steam is highly prone to, causes the display device longevity
Life shortens, and even fails.And steam is invaded, through DAM packaging plastics after influence first is exactly outermost pixel, and progressively to
Display device diffusion inside, so the water resistance characteristic and packaging effect of DAM encapsulating structures are for improving OLED display
Life-span and yield are most important.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of display panel and preparation method thereof, display device, Neng Gouti
High display panel improves life-span and the yield of display device to the isolation effect of steam.
In order to solve the above technical problems, embodiments of the invention offer technical scheme is as follows：
On the one hand, there is provided a kind of display panel, including the first substrate and second substrate set to box, the first substrate
It is packaged together with second substrate by packaging plastic, the first encapsulating structure, first encapsulation is provided with the first substrate
Structure is located between packaging plastic coating zone and the viewing area of the first substrate, and the second envelope is provided with the second substrate
Assembling structure, second encapsulating structure are located between packaging plastic coating zone and the viewing area of the second substrate, and described
One encapsulating structure and second encapsulating structure are in contact to form the closed barricade of encirclement viewing area.
Further, first encapsulating structure is using the functional film layer identical material with the first substrate viewing area
Material is made, and second encapsulating structure uses the functional film layer identical material with the second substrate viewing area to be made.
Further, the first flatness layer, auxiliary on first flatness layer is disposed with the first substrate
Cathodic metal cabling, the spacer material on the auxiliary cathode metal routing and whole the transparent of first substrate of covering is helped to lead
Electric layer, the auxiliary cathode metal routing include being located at the first cabling of viewing area and walked positioned at the second of non-display area
Line, the spacer material include the first spacer material positioned at viewing area and the second spacer material positioned at non-display area, and described the
Described in two cablings, second spacer material and the transparency conducting layer of covering second cabling and second spacer material composition
First encapsulating structure.
Further, the width of first cabling is less than the width of second cabling.
Further, set gradually on the second substrate the second flatness layer, the anode on second flatness layer,
The negative electrode of pixel defining layer, luminescent layer and the whole second substrate of covering, second flatness layer include the positioned at viewing area
One flat layer segment and the second flat layer segment positioned at non-display area, the pixel defining layer are included positioned at viewing area
First pixel defining layer part and positioned at the second pixel defining layer part of non-display area, the second flat layer segment, institute
State the second pixel defining layer part and cover the second flat layer segment and the negative electrode of the second pixel defining layer part
Form second encapsulating structure.
Further, orthographic projection of first encapsulating structure on the second substrate falls completely within second encapsulation
Structure is in the orthographic projection on the second substrate.
The embodiment of the present invention additionally provides a kind of display device, including display panel as described above.
The embodiment of the present invention additionally provides a kind of preparation method of display panel, and the display panel includes what box was set
First substrate and second substrate, the first substrate and second substrate are packaged together by packaging plastic, the preparation method bag
Include：
The first encapsulating structure is formed between the packaging plastic coating zone of the first substrate and viewing area；
The second encapsulating structure is formed between the packaging plastic coating zone of the second substrate and viewing area；
By the first substrate and the second substrate to box after, first encapsulating structure and second encapsulating structure
Be in contact the closed barricade to be formed and surround viewing area.
Further, the step of including forming the first substrate, the step of forming the first substrate, includes：
Form the first flatness layer；
Auxiliary cathode metal routing is formed on first flatness layer, the auxiliary cathode metal routing is included positioned at aobvious
Show first cabling in region and the second cabling positioned at non-display area；
Form spacer material on the auxiliary cathode metal routing, the spacer material include positioned at viewing area first every
Underbed and the second spacer material positioned at non-display area；
Form the transparency conducting layer of covering first substrate；
Wherein, second cabling, second spacer material and covering second cabling and second spacer material
Transparency conducting layer form first encapsulating structure.
Further, the step of including forming the second substrate, the step of forming the second substrate, includes：
The second flatness layer is formed, second flatness layer is included positioned at the first flat layer segment of viewing area and positioned at non-
Second flat layer segment of viewing area；
Anode is formed on second flatness layer；
Pixel defining layer is formed on the second substrate formed with anode, the pixel defining layer includes being located at viewing area
The first pixel defining layer part and positioned at the second pixel defining layer part of non-display area；
Luminescent layer is formed on the second substrate formed with the pixel defining layer；
Form the negative electrode for covering whole second substrate；
Wherein, the described second flat layer segment, the second pixel defining layer part and covering second flatness layer
The negative electrode of part and the second pixel defining layer part forms second encapsulating structure.
Embodiments of the invention have the advantages that：
In such scheme, the first encapsulating structure is provided with the first substrate, and the second encapsulation is provided with second substrate
Structure, when first substrate and second substrate are packaged, are aligned using pressing when encapsulating, make the first encapsulating structure and second
Encapsulating structure is pressed together, and composition surrounds the closed barricade of viewing area, and steam intrusion display is prevented so as to play
The effect of panel itself, improve life-span and the yield of display device.Because technical scheme need not be by increasing DAM
Glue material introduces the mode of new drier to improve the block-water performance of display panel, therefore can reduce technology difficulty, saves
Process costs；In addition, the first encapsulating structure and the second encapsulating structure be between packaging plastic coating zone and viewing area, therefore
The resolution ratio and display effect of display panel will not be impacted.
Brief description of the drawings
Fig. 1 is the schematic cross-section of display panel of the embodiment of the present invention；
Fig. 2 is the schematic cross-section of color membrane substrates of the embodiment of the present invention；
Fig. 3 is the schematic cross-section of array base palte of the embodiment of the present invention；
Fig. 4 is the floor map of display panel of the embodiment of the present invention.
Reference
1 anode
2 first pixel defining layer parts
3 first flat layer segments
4 spacer materials
5 transparent conductive oxides
6 luminescent layers
7 negative electrodes
8 transparency conducting layers
9 first flatness layers
10 colored light-filtering units
11 black matrix
12 auxiliary cathode metal routings
13 packaging plastics
14 second flat layer segments
15 second pixel defining layer parts
16 viewing areas
Spacer material in 41 non-display areas
Spacer material in 42 viewing areas
Embodiment
To make embodiments of the invention technical problems to be solved, technical scheme and advantage clearer, below in conjunction with
Drawings and the specific embodiments are described in detail.
Embodiments of the invention provide a kind of display panel and preparation method thereof, display device, it is possible to increase display panel
To the isolation effect of steam, improve life-span and the yield of display device.
The embodiment of the present invention provides a kind of display panel, including the first substrate and second substrate set to box, and described the
One substrate and second substrate are packaged together by packaging plastic, are provided with the first encapsulating structure on the first substrate, and described
One encapsulating structure is located between packaging plastic coating zone and the viewing area of the first substrate, is provided with the second substrate
Second encapsulating structure, second encapsulating structure are located between packaging plastic coating zone and the viewing area of the second substrate,
First encapsulating structure and second encapsulating structure are in contact to form the closed barricade of encirclement viewing area.
In the present embodiment, the first encapsulating structure is provided with the first substrate, and the second encapsulation is provided with second substrate
Structure, when first substrate and second substrate are packaged, are aligned using pressing when encapsulating, make the first encapsulating structure and second
Encapsulating structure is pressed together, and composition surrounds the closed barricade of viewing area, and steam intrusion display is prevented so as to play
The effect of panel itself, improve life-span and the yield of display device.Because technical scheme need not be by increasing DAM
Glue material introduces the mode of new drier to improve the block-water performance of display panel, therefore can reduce technology difficulty, saves
Process costs；In addition, the first encapsulating structure and the second encapsulating structure be between packaging plastic coating zone and viewing area, therefore
The resolution ratio and display effect of display panel will not be impacted.
Further, first encapsulating structure is using the functional film layer identical material with the first substrate viewing area
Material is made, and second encapsulating structure uses the functional film layer identical material with the second substrate viewing area to be made.This
Sample can be increased without special manufacture craft to make the first encapsulating structure and the second encapsulating structure, make viewing area
Can makes the first encapsulating structure and the second encapsulating structure while functional film layer, can reduce being produced into for display panel
This.
Further, when display panel is OLED display panel, as Figure 1-Figure 4, on the first substrate successively
It is provided with the first flatness layer 9, the auxiliary cathode metal routing 12 on first flatness layer 9, positioned at the auxiliary cathode
The transparency conducting layer 8 of spacer material 4 and the whole first substrate of covering on metal routing 12, the auxiliary cathode metal routing 12
Including the first cabling positioned at viewing area and the second cabling positioned at non-display area, the spacer material 4 is included positioned at display
First spacer material 411 in region and the second spacer material 42 positioned at non-display area, second cabling, second spacer material
42 and cover the transparency conducting layer 8 of second cabling and second spacer material 42 and form first encapsulating structure.
Further, the width of first cabling is less than the width of second cabling.Due to the first of viewing area
Cabling is limited by display panel resolution ratio and aperture opening ratio arbitrarily to be widened, and the width of the second cabling of non-display area
Do not limited by display panel resolution ratio and aperture opening ratio, therefore, can be by the width design of the second cabling of non-display area
It is wider, the problem of pressure drop of negative electrode 7 can be so reduced, reduces the Vss potential differences of display panel diverse location.
Further, when display panel is OLED display panel, as Figure 1-Figure 4, on the second substrate successively
Second flatness layer, the anode 1 on second flatness layer, pixel defining layer 2, luminescent layer 6 and covering whole second are set
The negative electrode 7 of substrate, negative electrode 7 can specifically use transparent conductive oxide 5, and second flatness layer is included positioned at viewing area
First flat layer segment 3 and the second flat layer segment 14 positioned at non-display area, the pixel defining layer 2 are included positioned at display
The first pixel defining layer part 2 in region and positioned at the second pixel defining layer part 15 of non-display area, described second is flat
Layer segment 14, the second pixel defining layer part 15 and the covering second flat layer segment 14 and second pixel circle
The negative electrode 7 of given layer part 15 forms second encapsulating structure.
Further, orthographic projection of first encapsulating structure on the second substrate falls completely within second encapsulation
Structure is in the orthographic projection on the second substrate.It can so ensure when first substrate and second substrate are packaged together,
First encapsulating structure can be entirely fallen within the second encapsulating structure, be unlikely to produce dislocation and weaken block-water effect.
The embodiment of the present invention additionally provides a kind of display device, including display panel as described above.The display device
Can be：Any product or part with display function such as TV, display, DPF, mobile phone, tablet personal computer, wherein,
The display device also includes flexible PCB, printed circuit board (PCB) and backboard.
The embodiment of the present invention additionally provides a kind of preparation method of display panel, and the display panel includes what box was set
First substrate and second substrate, the first substrate and second substrate are packaged together by packaging plastic 13, the preparation method
Including：
The first encapsulating structure is formed between the packaging plastic coating zone of the first substrate and viewing area；
The second encapsulating structure is formed between the packaging plastic coating zone of the second substrate and viewing area；
By the first substrate and the second substrate to box after, first encapsulating structure and second encapsulating structure
Be in contact the closed barricade to be formed and surround viewing area.
In the present embodiment, the first encapsulating structure is provided with the first substrate, and the second encapsulation is provided with second substrate
Structure, when first substrate and second substrate are packaged, are aligned using pressing when encapsulating, make the first encapsulating structure and second
Encapsulating structure is pressed together, and composition surrounds the closed barricade of viewing area, and steam intrusion display is prevented so as to play
The effect of panel itself, improve life-span and the yield of display device.Because technical scheme need not be by increasing DAM
Glue material introduces the mode of new drier to improve the block-water performance of display panel, therefore can reduce technology difficulty, saves
Process costs；In addition, the first encapsulating structure and the second encapsulating structure be between packaging plastic coating zone and viewing area, therefore
The resolution ratio and display effect of display panel will not be impacted.
Further, the step of including forming the first substrate, when display panel is OLED display panel, institute is formed
The step of stating first substrate includes：
Form the first flatness layer 9；
Auxiliary cathode metal routing 12 is formed on first flatness layer 9, the auxiliary cathode metal routing 12 includes
The first cabling positioned at viewing area and the second cabling positioned at non-display area；
Spacer material 4 is formed on the auxiliary cathode metal routing 12, the spacer material 4 includes the positioned at viewing area
One spacer material 41 and the second spacer material 42 positioned at non-display area；
Form the transparency conducting layer 8 of covering first substrate；
Wherein, second cabling, second spacer material 42 and covering second cabling and second dottle pin
The transparency conducting layer 8 of thing 42 forms first encapsulating structure.
Further, the step of including forming the second substrate, when display panel is OLED display panel, institute is formed
The step of stating second substrate includes：
The second flatness layer is formed, second flatness layer includes being located at the first flat layer segment 3 of viewing area and is located at
Second flat layer segment 14 of non-display area；
Anode 1 is formed on second flatness layer；
Pixel defining layer 2 is formed on the second substrate formed with anode 1, the pixel defining layer 2 is included positioned at display
The first pixel defining layer part 2 in region and positioned at the second pixel defining layer part 15 of non-display area；
Luminescent layer 6 is formed on the second substrate formed with the pixel defining layer 2；
Form the negative electrode 7 for covering whole second substrate；
Wherein, the described second flat layer segment 14, the second pixel defining layer part 15 and covering described second are flat
Smooth layer segment 14 and the negative electrode 7 of the second pixel defining layer part 15 form second encapsulating structure.
Display panel of the present invention and preparation method thereof is described in detail below in conjunction with the accompanying drawings, the display of the present embodiment
The preparation method of panel comprises the following steps：
Step 1, as shown in Figure 2, there is provided a underlay substrate, black matrix 11, colorized optical filtering are sequentially formed on underlay substrate
Unit 10, the first flatness layer 9 of covering black matrix 11 and colored light-filtering units 10 is formed afterwards, wherein, make the first flatness layer 9
Material including but not limited to polysiloxanes based material, acrylic based material, polyimides based material etc..
Auxiliary cathode metal routing 12 is formed on first flatness layer 9, the auxiliary cathode metal routing 12 includes
The first cabling positioned at viewing area and the second cabling positioned at non-display area, wherein, the width of the first cabling is less than second
The width of cabling, auxiliary cathode metal routing 12 can be conventional metal material, such as Ag, Cu, Al, Mo etc., or multiple layer metal
Such as MoNb/Cu/MoNb, or the alloy material of above-mentioned metal, such as AlNd, MoNb.
Spacer material 4 is formed on the auxiliary cathode metal routing 12, the spacer material 4 includes the positioned at viewing area
One spacer material 41 and the second spacer material 42 positioned at non-display area, the first spacer material 41 are located on the first cabling, the second dottle pin
Thing 42 is located on the second cabling；Specifically, spacer material material can be coated on auxiliary cathode metal routing 12, is formed after development
Spacer material 4.As shown in figure 4, the first spacer material 41 positioned at viewing area is in certain density (um2/mm2) distribution, it is cylindric；
Positioned at non-display area the second spacer material 42 into closing rectangle barricade shape, wherein, 16 be viewing area.
The transparency conducting layer 8 of covering first substrate is formed afterwards, transparency conducting layer 8 can use transparent conductive oxide 5,
Such as ITO, AZO, stack architecture such as ITO/Ag/ITO etc. can also be used.
In Fig. 2, dotted line represents the line of demarcation of first substrate non-display area and viewing area, described in non-display area
Second cabling, second spacer material 42 and the transparency conducting layer 8 for covering second cabling and second spacer material 42
Form first encapsulating structure.
Step 2, as shown in Figure 3, there is provided a underlay substrate, thin film transistor (TFT) array is formed on underlay substrate, and is formed
Second flatness layer of cover film transistor array.Wherein, thin film transistor (TFT) can be using oxide, silicon materials and organic
Top gate type thin film transistor of the thing material as active layer, the active layer of thin film transistor (TFT) can use a-IGZO, ZnON,
The various materials such as IZTO, a-Si, p-Si, six thiophene, polythiophene, the material of the second flatness layer is made including but not limited to poly- silica
Methane series material, acrylic based material, polyimides based material etc.；In Fig. 3, dotted line represents second substrate non-display area and display
The line of demarcation in region, second flatness layer are included positioned at the first flat layer segment 3 of viewing area and positioned at non-display area
The second flat layer segment 14, wherein, the width of the second flat layer segment 14 can be slightly larger than the width of the first encapsulating structure, this
Sample can ensure that orthographic projection of first encapsulating structure on the second flatness layer is fallen completely within the second flat layer segment 14.
Anode 1 is formed on second flatness layer, anode 1 can cover the second flat layer segment 14 and can also not cover
Second flat layer segment 14；The material of anode 1 can be conventional metal material, such as Ag, Cu, Al, Mo etc., or multiple layer metal is such as
MoNb/Cu/MoNb etc., or the alloy material of above-mentioned metal, such as AlNd, MoNb；Transparent conductive oxide can also be used, such as
ITO, AZO etc., stack architecture such as ITO/Ag/ITO etc. can also be used.
Pixel defining layer 2 is formed on the second substrate formed with anode 1, the pixel defining layer 2 is included positioned at display
The first pixel defining layer part 2 in region and defined positioned at the second pixel defining layer part 15 of non-display area, the second pixel
Layer segment 15 is located on the second flat layer segment 14, specifically, the second pixel defining layer part 15 on the second flatness layer just
Projection can be completely superposed with the second flat layer segment 14.
Luminescent layer 6 is formed on the second substrate formed with the pixel defining layer 2.
Form the negative electrode 7 for covering whole second substrate；Negative electrode 7 can use transparent conductive oxide 5, such as ITO, AZO,
Stack architecture such as ITO/Ag/ITO etc. can also be used.
Wherein, the described second flat layer segment 14, the second pixel defining layer part 15 and covering described second are flat
Smooth layer segment 14 and the negative electrode 7 of the second pixel defining layer part 15 form second encapsulating structure.
In the present embodiment, material includes used by the dielectric layer of thin film transistor (TFT) and the dielectric layer of electric capacity on second substrate
But conventional such as SiOx, SiNx, SiON inorganic material is not limited to, or organic insulation, or High k material such as AlOx,
HfOx, TaOx etc.；Each electrode and capacitor plate on second substrate, signal lead material can be conventional metal material, such as Ag,
Cu, Al, Mo etc., or multiple layer metal such as MoNb/Cu/MoNb etc., or the alloy material of above-mentioned metal, such as AlNd, MoNb, also may be used
To be transparent conductive oxide 5, such as ITO, AZO, or stack architecture such as ITO/Ag/ITO etc.；The second substrate of the present embodiment can
Think metal oxide thin-film transistor array base palte, silicon substrate or organic electroluminescent LED display base plate etc..
After step 3, coating DAM packaging plastics 13 and Filler glue, by first substrate and second substrate contraposition pressing so that the
The second encapsulating structure on the first encapsulating structure and second substrate on one substrate closely presses, and forms the envelope for surrounding viewing area
Enclosed barricade, the display panel after pairing are as shown in Figure 4.
In the present embodiment, the closed barricade of the first encapsulating structure and the second encapsulating structure composition can prevent steam from invading
Inside display panel, improve life-span and the yield of display device.Increase DAM glue materials due to that need not pass through or introduce new drying
The mode of agent improves the block-water performance of display panel, therefore can reduce technology difficulty, saves process costs；In addition, first
Encapsulating structure and the second encapsulating structure will not divide display panel between packaging plastic coating zone and viewing area
Resolution and display effect impact.
Unless otherwise defined, the technical term or scientific terminology that the disclosure uses, which are should be in art of the present invention, to be had
The ordinary meaning that the personage for having general technical ability is understood." first ", " second " and the similar word used in the disclosure is simultaneously
Any order, quantity or importance are not indicated that, and is used only to distinguish different parts." comprising " or "comprising" etc.
Either object covers the element or object for appearing in the word presented hereinafter to the element that similar word means to occur before the word
And its it is equivalent, and it is not excluded for other elements or object.The similar word such as " connection " or " connected " is not limited to physics
Or mechanical connection, but electrical connection can be included, it is either directly or indirect." on ", " under ",
"left", "right" etc. is only used for representing relative position relation, and after the absolute position for being described object changes, then the relative position is closed
System may also correspondingly change.
It is appreciated that ought the element of such as layer, film, region or substrate etc be referred to as "above" or "below" another element
When, the element can be " direct " "above" or "below" another element, or there may be intermediary element.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of display panel, including the first substrate and second substrate set to box, the first substrate and second substrate lead to
Cross packaging plastic to be packaged together, it is characterised in that be provided with the first encapsulating structure, the first encapsulation knot on the first substrate
Structure is located between packaging plastic coating zone and the viewing area of the first substrate, and the second encapsulation is provided with the second substrate
Structure, second encapsulating structure are located between packaging plastic coating zone and the viewing area of the second substrate, and described first
Encapsulating structure and second encapsulating structure are in contact to form the closed barricade of encirclement viewing area.
2. display panel according to claim 1, it is characterised in that first encapsulating structure uses and first base
The functional film layer identical material of plate viewing area is made, and second encapsulating structure uses and the second substrate viewing area
Functional film layer identical material be made.
3. display panel according to claim 2, it is characterised in that it is flat to be disposed with first on the first substrate
Layer, the auxiliary cathode metal routing on first flatness layer, the spacer material on the auxiliary cathode metal routing
And the transparency conducting layer of the whole first substrate of covering, the auxiliary cathode metal routing include walking positioned at the first of viewing area
Line and the second cabling positioned at non-display area, the spacer material are included positioned at the first spacer material of viewing area and positioned at non-aobvious
Show second spacer material in region, second cabling, second spacer material and covering second cabling and described second
The transparency conducting layer of spacer material forms first encapsulating structure.
4. display panel according to claim 3, it is characterised in that the width of first cabling is walked less than described second
The width of line.
5. display panel according to claim 2, it is characterised in that it is flat to set gradually second on the second substrate
The negative electrode of layer, the anode on second flatness layer, pixel defining layer, luminescent layer and the whole second substrate of covering, it is described
Second flatness layer includes the first flat layer segment positioned at viewing area and the second flat layer segment positioned at non-display area, institute
Stating pixel defining layer is included positioned at the first pixel defining layer part of viewing area and the second pixel circle positioned at non-display area
Given layer part, the second flat layer segment, the second pixel defining layer part and the covering second flat layer segment
Second encapsulating structure is formed with the negative electrode of the second pixel defining layer part.
6. display panel according to claim 1, it is characterised in that first encapsulating structure is on the second substrate
Orthographic projection fall completely within second encapsulating structure in the orthographic projection on the second substrate.
7. a kind of display device, it is characterised in that including the display panel as any one of claim 1-6.
8. a kind of preparation method of display panel, the display panel includes the first substrate and second substrate set to box, institute
State first substrate and second substrate is packaged together by packaging plastic, it is characterised in that the preparation method includes：
The first encapsulating structure is formed between the packaging plastic coating zone of the first substrate and viewing area；
The second encapsulating structure is formed between the packaging plastic coating zone of the second substrate and viewing area；
By the first substrate and the second substrate to box after, first encapsulating structure and second encapsulating structure connect
Touch the closed barricade for being formed and surrounding viewing area.
9. the preparation method of display panel according to claim 8, it is characterised in that including forming the first substrate
Step, the step of forming the first substrate, include：
Form the first flatness layer；
Auxiliary cathode metal routing is formed on first flatness layer, the auxiliary cathode metal routing includes being located at viewing area
First cabling in domain and the second cabling positioned at non-display area；
Spacer material is formed on the auxiliary cathode metal routing, the spacer material includes the first spacer material positioned at viewing area
With the second spacer material positioned at non-display area；
Form the transparency conducting layer of covering first substrate；
Wherein, second cabling, second spacer material and the saturating of second cabling and second spacer material is covered
Bright conductive layer forms first encapsulating structure.
10. the preparation method of display panel according to claim 8, it is characterised in that including forming the second substrate
The step of, the step of forming the second substrate, includes：
The second flatness layer is formed, second flatness layer is included positioned at the first flat layer segment of viewing area and positioned at non-display
The second flat layer segment in region；
Anode is formed on second flatness layer；
Form pixel defining layer on the second substrate formed with anode, the pixel defining layer includes the positioned at viewing area
One pixel defining layer part and positioned at the second pixel defining layer part of non-display area；
Luminescent layer is formed on the second substrate formed with the pixel defining layer；
Form the negative electrode for covering whole second substrate；
Wherein, the described second flat layer segment, the second pixel defining layer part and the covering second flat layer segment
Second encapsulating structure is formed with the negative electrode of the second pixel defining layer part.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109067950A (en) * | 2018-10-19 | 2018-12-21 | 信利光电股份有限公司 | A kind of applying method of display screen component |
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| CN110085750A (en) * | 2019-04-09 | 2019-08-02 | 深圳市华星光电半导体显示技术有限公司 | Organic light emitting diode device and preparation method thereof |
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| CN110459580A (en) * | 2019-08-22 | 2019-11-15 | 合肥鑫晟光电科技有限公司 | Display device, display panel and its manufacturing method |
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| CN109067950A (en) * | 2018-10-19 | 2018-12-21 | 信利光电股份有限公司 | A kind of applying method of display screen component |
| CN109067950B (en) * | 2018-10-19 | 2020-07-17 | 信利光电股份有限公司 | Display screen assembly attaching method |
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| CN110085750A (en) * | 2019-04-09 | 2019-08-02 | 深圳市华星光电半导体显示技术有限公司 | Organic light emitting diode device and preparation method thereof |
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| CN110444689B (en) * | 2019-08-19 | 2021-11-16 | 京东方科技集团股份有限公司 | Display panel and display device |
| CN110459580A (en) * | 2019-08-22 | 2019-11-15 | 合肥鑫晟光电科技有限公司 | Display device, display panel and its manufacturing method |
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| CN110767663B (en) * | 2019-10-23 | 2021-12-14 | 京东方科技集团股份有限公司 | Organic light-emitting backboard, manufacturing method thereof, touch display screen and touch display device |
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