CN110071158A - A kind of mask plate and organic light emitting display panel - Google Patents
A kind of mask plate and organic light emitting display panel Download PDFInfo
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- CN110071158A CN110071158A CN201910357155.3A CN201910357155A CN110071158A CN 110071158 A CN110071158 A CN 110071158A CN 201910357155 A CN201910357155 A CN 201910357155A CN 110071158 A CN110071158 A CN 110071158A
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- organic light
- display panel
- light emitting
- emitting display
- mask plate
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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
- H10K50/805—Electrodes
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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
Abstract
The embodiment of the invention discloses a kind of mask plate and organic light emitting display panels, the mask plate is used to prepare the public electrode of organic light emitting display panel, the organic light emitting display panel includes multiple luminescence units and multiple spacer columns between the adjacent luminescence unit, and the mask plate includes: mask plate ontology；Public electrode opening on the mask plate ontology；The public electrode opening is corresponding to expose the public electrode；Positioned at the public electrode opening in it is multiple block item, described one end for blocking item is connect with the mask plate ontology；In the mask plate exposure mask, each orthographic projection for blocking item in the organic light emitting display panel covers multiple spacer columns.The embodiment of the present invention can eliminate the rainbow striped in organic light emitting display panel, be conducive to provide the display effect of organic light emitting display panel, improve the usage experience of user.
Description
Technical field
The present embodiments relate to display technology more particularly to a kind of mask plate and organic light emitting display panels.
Background technique
In recent years, organic light emission (Organic Light-Emitting Diode, OLED) display panel becomes gradually
Popular emerging flat-panel screens, due to self-luminous, wide viewing angle, reaction time is fast, high-luminous-efficiency, low operating voltage,
Plate thickness is thin, can be fabricated to the advantages that flexibility panel and processing procedure are simple, therefore has been widely used in various planes
It shows on product.
Traditional OLED display panel includes multiple organic light-emitting units as display pixel, to show frame out.Wherein,
Each organic light-emitting units are made of two electrode layers and the luminescent layer between two electrode layers, and two electrode layers
It is stacked on substrate with luminescent layer.In order to reduce production process and simplify driving method, it is formed in usual OLED display panel
One public electrode provides electrode signal by the public electrode for each organic light-emitting units.And in OLED display panel
The public electrode is formed after the spacer column usually between organic light-emitting units, and public electrode is covered in spacer column at this time.
And since public electrode is generally configured with certain albedo, and the spacing-column structure of array arrangement makes public electrode constitute week
The optical grating construction that phase is fixed be easy to cause formation rainbow line on display panel to generate regular sexual reflex to ambient light at this time
Phenomenon, interference display picture, to affect display panel display effect.
Summary of the invention
The present invention provides a kind of mask plate and organic light emitting display panel, to improve the rainbow in organic light emitting display panel
Striped improves user experience to the display effect of organic light emitting display panel.
In a first aspect, being used to prepare the public of organic light emitting display panel the embodiment of the invention provides a kind of mask plate
Electrode, the organic light emitting display panel include multiple luminescence units and multiple intervals between the adjacent luminescence unit
Column, the mask plate include:
Mask plate ontology；
Public electrode opening on the mask plate ontology；The public electrode opening is corresponding to expose the common electrical
Pole；
Multiple in public electrode opening block item, and described one end for blocking item and the mask plate ontology connect
It connects；In the mask plate exposure mask, each orthographic projection covering for blocking item in the organic light emitting display panel is multiple
The spacer column.
Second aspect, the embodiment of the invention also provides a kind of organic light emitting display panel, the organic light emitting display face
Plate includes public electrode, and the public electrode is made of the mask plate as described in first aspect is any.
Mask plate provided in an embodiment of the present invention and organic light emitting display panel pass through the public electrode opening in mask plate
Middle setting is multiple to block item, when organic light emitting display panel forms public electrode, spacer column is blocked by blocking item, so that having
Public electrode cannot be formed in machine light emitting display panel in spacer column, so as to avoid the spacer column of array arrangement and cover thereon
The public electrode of lid forms reflection grating structure, reduces spacer column to the periodic reflective of ambient light.The embodiment of the present invention mentions
The mask plate and organic light emitting display panel of confession can eliminate the rainbow striped in organic light emitting display panel, be conducive to provide
The display effect of organic light emitting display panel improves the usage experience of user.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of prior art organic light emitting display panel；
Fig. 2 is the schematic diagram of the section structure of the organic light emitting display panel shown in Fig. 1 along AA '；
Fig. 3 is a kind of structural schematic diagram of mask plate provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram using mask plate exposure mask organic light emitting display panel shown in Fig. 3；
Fig. 5 is the schematic diagram of the section structure shown in Fig. 4 along BB '；
Fig. 6 is another mask plate structure schematic diagram provided in an embodiment of the present invention；
Fig. 7 is the structural schematic diagram of another mask plate provided in an embodiment of the present invention；
Fig. 8 is the structural schematic diagram of another mask plate provided in an embodiment of the present invention；
Fig. 9 is the structural schematic diagram of another mask plate provided in an embodiment of the present invention；
Figure 10 is another mask plate structure schematic diagram provided in an embodiment of the present invention；
Figure 11 is the structural schematic diagram using mask plate exposure mask organic light emitting display panel shown in Figure 10；
Figure 12 is the schematic diagram of the section structure shown in Figure 11 along CC '；
Figure 13 is the structural schematic diagram of another mask plate provided in an embodiment of the present invention；
Figure 14 is the partial enlarged view in virtual coil shown in Figure 11；
Figure 15 is the top view of organic light emitting display panel shown in Fig. 5；
Figure 16 is the structural schematic diagram of another organic light emitting display panel provided in an embodiment of the present invention；
Figure 17 is the structural schematic diagram of another organic light emitting display panel provided in an embodiment of the present invention；
Figure 18 is the structural schematic diagram of another organic light emitting display panel 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.
Fig. 1 is the structural schematic diagram of prior art organic light emitting display panel, and Fig. 2 is organic light emitting display face shown in Fig. 1
Plate along AA ' the schematic diagram of the section structure, with reference to Fig. 1 and Fig. 2, usually by multiple organic light emissions in existing organic light emitting display panel
Unit 11 forms organic light emitting array, wherein adjacent organic light-emitting units 11 are separated by pixel definition structure 13, simultaneously
Spacer column 14 is formed in pixel definition structure 13, to support the cover board (not shown) of organic light emitting display panel, and
A public electrode 12 is shared in the organic light emitting array, usual public electrode 12 is covered on the organic light-emitting units array, such as
Shown in Fig. 2, public electrode 12 is not placed only on each organic light-emitting units 11, is also covered in spacer column 14.Obviously, equally
The spacer column 14 of array arrangement is since there are drops between height and organic light-emitting units 11, to form periodic knot
Structure, and since public electrode 12 has certain luminous reflectanc, so that the optical grating construction generates periodic reflective to ambient light,
Organic luminous panel is easy reflection ambient light when in use and generates rainbow striped, affects the aobvious of organic light emitting display panel
Show.
In view of the above-mentioned problems, being used to prepare organic light emitting display panel the embodiment of the invention provides a kind of mask plate
Public electrode, the organic light emitting display panel include multiple luminescence units and it is multiple between the adjacent luminescence unit between
Spacer post, the mask plate include: mask plate ontology；Public electrode opening on the mask plate ontology；The public electrode
Opening is corresponding to expose the public electrode；Multiple item, described one end for blocking item are blocked in public electrode opening
It is connect with the mask plate ontology；It is each described to block item in the organic light emitting display panel in the mask plate exposure mask
On orthographic projection cover multiple spacer columns.
The mask plate of existing public electrode is usually that public electrode opening, the common electrical are arranged on mask plate ontology
Pole is open in mask plate exposure mask, can cover the region where the organic light-emitting units array in organic luminous panel, wherein
Including the spacer column between organic light-emitting units.In mask plate provided in an embodiment of the present invention, also set up in public electrode opening
Have it is multiple block item, this blocks item for blocking spacer column in organic light emitting display panel in exposure mask, so that being blocked
Public electrode cannot be formed in spacer column, thus can be formed to avoid the spacer column of array arrangement with the public electrode covered thereon
Reflection grating structure eliminates the rainbow striped of organic light emitting display panel.
Mask plate provided in an embodiment of the present invention, by the public electrode of mask plate opening in be arranged it is multiple block item,
When organic light emitting display panel forms public electrode, spacer column is blocked by blocking item, so that public affairs cannot be formed in spacer column
Common electrode is reduced so as to avoid the spacer column of array arrangement from forming reflection grating structure with the public electrode covered thereon
Periodic reflective of the spacer column to ambient light.Mask plate provided in an embodiment of the present invention can eliminate organic light emitting display face
Rainbow striped on plate, is conducive to provide the display effect of organic light emitting display panel, improves the usage experience of user.
It is central idea of the invention above, example is carried out to mask plate provided by the invention with specific embodiment below.
Fig. 3 is a kind of structural schematic diagram of mask plate provided in an embodiment of the present invention, and Fig. 4 is organic using mask plate exposure mask shown in Fig. 3
The structural schematic diagram of light emitting display panel, Fig. 5 is the schematic diagram of the section structure shown in Fig. 4 along BB ', with reference to Fig. 3-5, the mask plate
Including mask plate ontology 20；Public electrode opening 21 on the mask plate ontology 20；The public electrode is open 21 pairs
The public electrode 12 should be exposed；Multiple in public electrode opening 21 block item 22, described to block the one of item 22
End is connect with the mask plate ontology 20；It is each described to block item 22 in the organic light emission in 200 exposure mask of mask plate
Orthographic projection on display panel 100 covers multiple spacer columns 14.
Wherein, mask plate ontology 20 can select the stronger material of the rigidity such as metal to be made, also, blocking in mask plate
Item 22 is used to block the spacer column 14 in organic light emitting display panel 100, when exposure mask forms public electrode, usual public electrode
Material source is located below, and mask plate is between material source and organic light emitting display panel to be done, by blocking item 22
Block, the pattern of the public electrode 12 formed in organic light emitting display panel 100 and 200 pattern complementary of mask plate, and public
Common electrode 12 still covers all organic light-emitting units 11, and normal organic light-emitting units driving display function may be implemented.Fig. 6 is
Another kind mask plate structure schematic diagram provided in an embodiment of the present invention, with reference to Fig. 6, may be used also in addition to mask plate structure shown in Fig. 3
It is arranged alternately so that the side that item 22 is connect with mask plate ontology 20 will be blocked, so as to the branch of average 20 two sides of mask plate ontology
Support force, when avoiding the connecting pin for blocking item 22 and mask plate ontology 20 being set to the same side of mask plate ontology 20, to connection
The rigid requirements of the mask plate ontology 20 at place are excessively high.
With continued reference to Fig. 3-Fig. 6, wherein it is settable it is multiple it is described block item 22 and be arranged in parallel, covered in the mask plate 200
When film, each orthographic projection for blocking item 22 in the organic light emitting display panel 100 covers at least two intervals
Column 14；And the common electrical of each two sides for blocking orthographic projection of the item 22 in the organic light emitting display panel 100
Pole 12 is electrically connected.It blocks item 22 by being rationally arranged and can make in the public electrode pattern to be formed, the interconnection of 12 phase of public electrode
It is logical, public electrode 12 can't be divided because of the setting for blocking item 22.Its set-up mode for blocking item 22 needs to guarantee to hide
Mutually without being directly connected between blend stop 22, and blocks item 22 and mask plate ontology 20 only possible there are connect at one.
Fig. 7 is the structural schematic diagram of another mask plate provided in an embodiment of the present invention, with reference to Fig. 7, in the mask plate,
Multiple items 22 that block include a plurality of first blocking item 221 and a plurality of second and blocking item 222；The mask plate ontology 20 includes
Opposite first side 201 and second side 202；A plurality of described first blocks item 221 connect with the first side 201；It is more
Second blocks item 222 and connect with the second side 202 described in item；Item 221 is blocked along described first or described second is blocked
The direction that item 222 extends, described first, which blocks item 221 and described second, blocks between item 222 with gap.
In view of blocking item 22, there are constant weights, may cause block the tenesmus deformation of item 22 in actual use.
And in mask plate shown in Fig. 7, first to connect with first side 201 is divided to block articles 221 and with since articles 20 will be blocked
What dual side-edge 202 connected second blocks item 222, and one first blocks item 221 and one second blocks item 222 in same side
It upwardly extends, compared with Fig. 3 and mask plate shown in fig. 6, item 221 can be blocked by one first and one second blocks item
222 block the spacer column being arranged in same a line or same row in organic display panel, to reduce the weight for blocking item
Amount reduces the support force request that mask plate ontology 20 blocks item 22 to one.It is hidden in addition, item 221 and second is blocked in setting first
There is gap in blend stop 222, it is ensured that be interconnected, played only by the public electrode that the mask plate is formed in the direction of extension
It is passed through a common electrode signal, the effect that can be loaded on each organic light-emitting units.
In designed mask version, the item that blocks that may be selected in setting mask plate structure meets in the mask plate exposure mask,
Multiple whole spacer columns of orthographic projection covering for blocking item in the organic light emitting display panel.Such as Fig. 3, Fig. 6 and
Shown in Fig. 7, whole spacer columns can be blocked by blocking item, and being can guarantee in whole spacer columns at this time does not have public electrode to be formed, from
And the phenomenon that eliminating rainbow striped.And due to all block spacer column need to be arranged it is more block item, the connection of mask plate ontology compared with
When blocking, increase the rigid requirements of mask plate ontology more.Therefore, except mask plate structure provided by the above embodiment is using complete
Outside the scheme that portion is blocked, the embodiment of the invention also provides a kind of mask plate, Fig. 8 be it is provided in an embodiment of the present invention another cover
The structural schematic diagram of film version, with reference to Fig. 8, in the mask plate, on perpendicular to the direction for blocking the extension of item 20, interval is default
The described of quantity blocks item 22, is provided with a hollow out gap 23；In the mask plate exposure mask, institute is exposed in the hollow out gap 23
State spacer column；The distance between the adjacent hollow out gap 23 L is greater than the 10 of visible wavelength3Times.
It is substituted by setting hollow out gap 23 and blocks item 22, i.e., reduce the quantity for blocking item 22 to a certain extent.And it engraves
Although forming public electrode in the spacer column that empty gap 23 when forming public electrode, can make the hollow out gap 23 expose,
Since the distance between adjacent hollow out gap 23 is greater than the 10 of visible wavelength3Times, what hollow out gap 23 generated is covered with public
Spacing can also be greater than the 10 of visible wavelength between the spacer column of electrode3Times, so that even if the interval of covering public electrode
Column forms period grat-ing structure, also can be greater than visible wavelength because of period spacing, to visible light without periodic reflective, thus
So that the organic light emitting display panel netrual colour striped that final preparation is formed occurs.Specifically, in existing organic display panel
In Pixel Dimensions (about 100 μm) range, settable preset quantity is greater than or equal to 50, i.e., when being blocked at interval of 50, setting
One hollow out gap, there will be every 50 row organic light-emitting units, there are shapes in a line spacer column in organic light emitting display panel
At there is public electrode.
In addition, it is necessary to explanation, Fig. 9 is the structural schematic diagram of another mask plate provided in an embodiment of the present invention, ginseng
Fig. 9 is examined, it, can also be in the mask plate in addition to the blocking item one hollow out gap is set of the identical quantity of above-mentioned uniform intervals
What setting quantity was different between the hollow out gap of arbitrary neighborhood blocks item, i.e., the distance between two neighboring hollow out gap L1, L2
It is different with L3.At this point, the spacer column of the covering public electrode formed by hollow out gap cannot form the optical grating construction in period, from
Without generating period reflection to extraneous visible light, thus color fringe will not be seen in organic light emitting display panel.
In the above-described embodiments, the item that blocks illustratively in mask plate is linear structure, and its shape mainly takes
Certainly in organic light emitting display panel to be prepared, the arrangement mode of spacer column, also depends on the picture of organic light emitting display panel
Plain arrangement mode, in addition to each pixel shown in FIG. 1 is in such a way that ranks are neatly arranged, pixel arrangement in the prior art is usual
For arrangement straggly, for the organic light emitting display panel of the arrangement straggly, the embodiment of the invention also provides a kind of mask plate, figures
10 be another mask plate structure schematic diagram provided in an embodiment of the present invention, and Figure 11 is organic using mask plate exposure mask shown in Figure 10
The structural schematic diagram of light emitting display panel, Figure 12 are the schematic diagram of the section structure shown in Figure 11 along CC ', and with reference to Figure 10-12, this is covered
Screening rib construction in film version is snakelike meander line structure, and can to block organic light emission aobvious for the item that blocks of the snakelike meander line structure
The spacer column for showing arrangement straggly in panel, so that not will form public electrode in the spacer column of arrangement straggly, because without external
Boundary's visible light generates periodic reflective.
In addition to mask plate shown in Fig. 10, the embodiment of the invention also provides a kind of mask plate, Figure 13 is implementation of the present invention
The structural schematic diagram for another mask plate that example provides can be in the mask plate, every the snake of preset quantity with reference to Figure 13
A hollow out gap is arranged in the item that blocks of shape meander line structure, i.e., destroys the period grat-ing structure of spacer column by hollow out gap, keep away
Exempt from the period reflection to visible light.
Figure 14 is the partial enlarged view in virtual coil shown in Figure 11, with reference to Figure 10 and Figure 12, the organic light emitting display face
Plate 100 includes multiple pixel definition structures 13, and the spacer column 14 is located in the pixel definition structure 13；Optionally, in order to
Guarantee is blocked item 22 and is had an impact to the display function of organic light emitting display panel 100, may be provided at and vertical described blocks item 22
On extending direction, the length D1 for blocking item 22 is less than or equal to the pixel definition structure of organic light emitting display panel 10
13 length D2.
Further, with reference to Figure 12, in order to guarantee effectively blocking to spacer column 14, and in order to avoid mask plate 200
It in exposure mask contraposition there are error, can be set on 22 extending direction of vertical barrier item, block length D1 and the interval of item 22
The difference of the length D3 of column 14 is 1-5 μm.
The embodiment of the present invention also provides a kind of organic light emitting display panel, and the organic light emitting display panel includes common electrical
Pole, the public electrode are prepared using any one mask plate provided in an embodiment of the present invention.Due to above-mentioned organic light emission
Public electrode in display panel is prepared using the mask plate of above-described embodiment, therefore has provided by the above embodiment cover
The beneficial effect of film version.
Specifically, Figure 15 is the top view of organic light emitting display panel shown in Fig. 5, with reference to Fig. 5 and Figure 15, the organic light emission
In display panel, the public electrode 12 includes multiple tear strips 120；Each tear strip 120 exposes multiple intervals
Column 14.
It is the structural schematic diagram of another organic light emitting display panel provided in an embodiment of the present invention corresponding to Fig. 7, Figure 16,
With reference to Fig. 7 and Figure 16, in the organic light emitting display panel, multiple tear strips 120 include a plurality of first tear strip 121 and more
The second tear strip of item 122；The public electrode 12 includes first part 123 and second part 124；A plurality of first tear strip 121
Positioned at the first part 123；A plurality of second tear strip 122 is located at the second part 124；Along first tear strip 121
Or the direction that second tear strip 122 extends, have between first tear strip 121 and second tear strip 122
Gap.
With reference to Figure 15 and Figure 16, when preparing organic light emitting display panel by mask plate, settable multiple openings
The orthographic projection covering whole spacer columns of the item in the organic light emitting display panel.At this time since all spacer columns are public
The tear strip of electrode projects covering, i.e., public electrode is not present in all spacer columns, therefore spacer column cannot form periods of reflections
Optical grating construction so the organic light emitting display panel will not generate rainbow striped when in use, thus has and uses body well
It tests.
Further, correspond to such as Fig. 8 or Figure 13, the embodiment of the present invention and a kind of organic light emitting display panel is also provided, scheme
17 be the structural schematic diagram of another organic light emitting display panel provided in an embodiment of the present invention, with reference to Figure 17, the organic light emission
In display panel, along the direction extended perpendicular to the tear strip 120, it is spaced tear strip 120 described in preset quantity, is provided with
One public electrode continuum 125；Spacer column described in 125 covering part of public electrode continuum；The adjacent public electrode
The distance between continuum 125 is greater than the 10 of visible wavelength3Times.Similarly, opening between adjacent common electrode continuum 125
The quantity of pig's tongue 120 should be greater than or be equal to 50.Wherein, the public electrode continuum 125 in public electrode 12 covers multiple intervals
Column 14, but spacing is greater than the 10 of visible wavelength between the spacer column 14 due to covering public electrode 123Times, so even if interval
Column 14 can form period grat-ing structure, which can not carry out period reflection to visible light, so cannot be again
Rainbow striped is formed in organic light emitting display panel.
Corresponding to mask plate shown in Fig. 9, the embodiment of the present invention also provides a kind of organic light emitting display panel, organic hair
Light display panel is made of mask plate as shown in Figure 9, wherein the institute between the public electrode continuum described in arbitrary neighborhood
The quantity for stating tear strip is different.
Figure 18 is the structural schematic diagram of another organic light emitting display panel provided in an embodiment of the present invention, with reference to Figure 18,
Corresponding to mask plate shown in Fig. 10, in organic light emitting display panel provided in an embodiment of the present invention, 120 shape of tear strip is except straight
It is linear outer, it can also be snakelike meander-like.
Further, 1, Figure 12 and Figure 14 is continued to refer to figure 1, includes multiple pictures in organic light emitting display panel 100
Plain definition structure 13, the spacer column 14 are located in the pixel definition structure 13；On the vertical tear strip extending direction,
The length D1 of the tear strip is less than or equal to the length D2 of the pixel definition structure 13 of organic light emitting display panel 100.
Similarly, on the vertical tear strip extending direction, the length D3's of the length D1 of the tear strip and the spacer column 14
Difference is 1-5 μm.Length D1 by the way that tear strip is arranged is less than or equal to the length D2 of pixel definition structure, it can be ensured that organic
Public electrode 12 is covered on luminescence unit 11, so as to guarantee that the normal driving of organic light-emitting units 11 shines.It sets simultaneously
The difference of the length D1 of the tear strip and length D3 of spacer column 14 is set in the range of 1-5 μm, it is ensured that tear strip is to interval
Column is completely covered, and even if mask plate generates error with organic light emitting display panel when exposure mask is aligned, also may be implemented
Spacer column is completely covered, does not form public electrode in the spacer column made, eliminates the rainbow line phenomenon on organic display panel.
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, be combined with each other and substitutes without departing from protection scope of the present invention.Therefore, although by above embodiments to this
Invention is described in further detail, but the present invention is not limited to the above embodiments only, is not departing from present inventive concept
In the case of, it can also include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (21)
1. a kind of mask plate, which is characterized in that be used to prepare the public electrode of organic light emitting display panel, the organic light emission is aobvious
Show that panel includes multiple luminescence units and multiple spacer columns between the adjacent luminescence unit, the mask plate includes:
Mask plate ontology；
Public electrode opening on the mask plate ontology；The public electrode opening is corresponding to expose the public electrode；
Positioned at the public electrode opening in it is multiple block item, described one end for blocking item is connect with the mask plate ontology；
In the mask plate exposure mask, each orthographic projection covering for blocking item in the organic light emitting display panel is multiple described
Spacer column.
2. mask plate according to claim 1, which is characterized in that block item described in multiple and be arranged in parallel, in the exposure mask
When version exposure mask, each orthographic projection for blocking item in the organic light emitting display panel covers at least two intervals
Column；And the public electrode of each two sides for blocking orthographic projection of the item in the organic light emitting display panel is electrically connected
It connects.
3. mask plate according to claim 1, which is characterized in that it is multiple it is described block item include a plurality of first block item and
A plurality of second blocks item；
The mask plate ontology includes opposite first side and second side；
A plurality of described first blocks item connect with the first side；A plurality of described second blocks item and second side company
It connects；
Along described first block item or described second block item extension direction, described first, which blocks item and described second, blocks
There is gap between item.
4. mask plate according to claim 1, which is characterized in that multiple described to block item in the mask plate exposure mask
The whole spacer columns of orthographic projection covering in the organic light emitting display panel.
5. mask plate according to claim 2, which is characterized in that on perpendicular to the direction for blocking item extension,
Item is blocked described in the preset quantity, is provided with a hollow out gap；In the mask plate exposure mask, institute is exposed in the hollow out gap
State spacer column；
The distance between adjacent described hollow out gap is greater than the 10 of visible wavelength3Times.
6. mask plate according to claim 5, which is characterized in that the preset quantity is greater than or equal to 50.
7. mask plate according to claim 5, which is characterized in that blocked described between hollow out gap described in arbitrary neighborhood
The quantity of item is different.
8. mask plate according to claim 1, which is characterized in that the shape for blocking item includes snakelike meander-like and straight
It is linear.
9. mask plate according to claim 1, which is characterized in that the organic light emitting display panel includes that multiple pixels are fixed
Adopted structure, the spacer column are located in the pixel definition structure；
It is blocked on an extending direction vertically described, the length for blocking item is less than or equal to the institute of organic light emitting display panel
State the length of pixel definition structure.
10. mask plate according to claim 9, which is characterized in that blocked on an extending direction vertically described, the screening
The difference of the length of the length of blend stop and the spacer column is 1-5 μm.
11. a kind of organic light emitting display panel, which is characterized in that the organic light emitting display panel includes public electrode, described
Public electrode is made of the mask plate as described in claim 1-10 is any.
12. organic light emitting display panel according to claim 11, which is characterized in that the public electrode includes multiple opens
Pig's tongue；
Each tear strip exposes multiple spacer columns.
13. organic light emitting display panel according to claim 11, which is characterized in that multiple tear strips are set in parallel
It sets；And orthographic projection of each tear strip in the organic light emitting display panel covers at least two spacer columns；Institute
State the public electrode electrical connection of tear strip two sides.
14. organic light emitting display panel according to claim 11, which is characterized in that multiple tear strips include a plurality of
First tear strip and a plurality of second tear strip；
The public electrode includes first part and second part；
A plurality of first tear strip is located at the first part；A plurality of second tear strip is located at the second part；
Along the direction that first tear strip or second tear strip extend, first tear strip and second opening
There is gap between item.
15. organic light emitting display panel according to claim 11, which is characterized in that multiple tear strips have described
The whole spacer columns of orthographic projection covering on machine light emitting display panel.
16. organic light emitting display panel according to claim 11, which is characterized in that extend along perpendicular to the tear strip
Direction on, be spaced preset quantity described in tear strip, be provided with a public electrode continuum；The public electrode continuum covering
The part spacer column；
The distance between adjacent described public electrode continuum is greater than the 10 of visible wavelength3Times.
17. organic light emitting display panel according to claim 16, which is characterized in that the preset quantity is greater than or equal to
50。
18. organic light emitting display panel according to claim 16, which is characterized in that public electrode described in arbitrary neighborhood connects
The quantity of the tear strip between continuous area is different.
19. organic light emitting display panel according to claim 11, which is characterized in that the shape of the tear strip includes snake
Shape meander-like and linear.
20. organic light emitting display panel according to claim 11, which is characterized in that the organic light emitting display panel packet
Multiple pixel definition structures are included, the spacer column is located in the pixel definition structure；
On the vertical tear strip extending direction, the length of the tear strip is less than or equal to the institute of organic light emitting display panel
State the length of pixel definition structure.
21. organic light emitting display panel according to claim 20, which is characterized in that in the vertical tear strip extension side
Upwards, the difference of the length of the length of the tear strip and the spacer column is 1-5 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910357155.3A CN110071158B (en) | 2019-04-29 | 2019-04-29 | Mask and organic light-emitting display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910357155.3A CN110071158B (en) | 2019-04-29 | 2019-04-29 | Mask and organic light-emitting display panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110071158A true CN110071158A (en) | 2019-07-30 |
| CN110071158B CN110071158B (en) | 2021-08-31 |
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| WO2021102988A1 (en) * | 2019-11-29 | 2021-06-03 | 京东方科技集团股份有限公司 | Display substrate and manufacturing method therefor, and display device |
| US11903256B2 (en) | 2019-11-29 | 2024-02-13 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Display substrate and display device |
| US11957008B2 (en) | 2019-11-29 | 2024-04-09 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Display substrate and display device |
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| CN110071158B (en) | 2021-08-31 |
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