CN106206604A - A kind of array base palte and preparation method thereof, display device - Google Patents
A kind of array base palte and preparation method thereof, display device Download PDFInfo
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- CN106206604A CN106206604A CN201610619438.7A CN201610619438A CN106206604A CN 106206604 A CN106206604 A CN 106206604A CN 201610619438 A CN201610619438 A CN 201610619438A CN 106206604 A CN106206604 A CN 106206604A
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- 238000002360 preparation method Methods 0.000 title abstract description 7
- 239000000758 substrate Substances 0.000 claims abstract description 42
- 238000000034 method Methods 0.000 claims abstract description 18
- 239000010410 layer Substances 0.000 claims description 151
- 125000006850 spacer group Chemical group 0.000 claims description 51
- 239000000463 material Substances 0.000 claims description 10
- 239000012044 organic layer Substances 0.000 claims description 10
- 229920002120 photoresistant polymer Polymers 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 230000003075 superhydrophobic effect Effects 0.000 abstract description 10
- 239000010409 thin film Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000004806 packaging method and process Methods 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 239000010408 film Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000005538 encapsulation Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 238000000059 patterning Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 244000020998 Acacia farnesiana Species 0.000 description 1
- 235000010643 Leucaena leucocephala Nutrition 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229920006335 epoxy glue Polymers 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/1248—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition or shape of the interlayer dielectric specially adapted to the circuit arrangement
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/1259—Multistep manufacturing methods
-
- 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
- H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
-
- 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
- H10K59/122—Pixel-defining structures or layers, e.g. banks
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Geometry (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The present invention provides a kind of array base palte and preparation method thereof, display device, relates to Display Technique field, and this array base palte can be prevented effectively from pixel and define a layer surface and trend towards becoming super-hydrophobic interface.A kind of array base palte, including: substrate and be positioned at the pixel of described substrate and define layer；In the viewing area of described array base palte, described array base palte also includes: being arranged on described pixel and define on layer and define the supporting layer that layer contacts with described pixel, the projection over the substrate of described supporting layer is positioned at described pixel and defines in the range of layer projection over the substrate.The present invention is applicable to the making of array base palte.
Description
Technical field
The present invention relates to Display Technique field, particularly relate to a kind of array base palte and preparation method thereof, display device.
Background technology
OLED (Organic Light Emitting Diode, Organic Light Emitting Diode) device is considered as most to have development
The flat-panel display device of potentiality, and be prone to be fabricated to flexible display device.But, in OLED, luminescent material is non-for water oxygen
The most sensitive, easily reduce service life.
For using glass as the OLED of base plate for packaging, (laser sintered glass dust seals can to use frit technique
Dress technique) sintered glass powder on base plate for packaging, box is sealed by base plate for packaging and array base palte, wanting with satisfied obstruct water oxygen
Ask.But for flexible OLED devices and include color film layer WOLED (white light OLED) device for, frit process warm is spent
Height, is not suitable for above two type.
Use thin-film package (Thin Film Encapsulation, TFE) to improve the problems referred to above at present more.Concrete,
First produce pixel and define layer (also known as pixel defining layer), then luminous organic material vacuum evaporation to pixel is defined layer and separates
In the pixel region gone out, then, said structure is carried out thin-film package.Concrete, first one layer of inorganic layer of deposition, then make one
Layer organic layer, last redeposited one layer of inorganic layer.Multilayer lamination structure inorganic, organic and inorganic is i.e. used to protect, wherein,
Inorganic layer acts the effect intercepting water oxygen, and organic layer plays cladding and the effect of planarization.
But, the demand that nowadays high-resolution shows so that pixel defines the density of the subpixel area that layer is separated out more
Coming the biggest, the gap between adjacent subpixels region is more and more less simultaneously, i.e. pixel between adjacent subpixels region defines layer
Increasingly trend towards becoming slim-lined construction.Can obtain according to Wenzel (Peter Wenzel) model and Cassie (Irving Baxter) model
To: slim-lined construction can form super-hydrophobic interface.That is, pixel defines a layer surface and trends towards becoming super-hydrophobic interface.In subsequent thin film
In encapsulation process, after pixel defines and deposits inorganic layer on layer, the surface of inorganic layer also tends to become super-hydrophobic interface.And surpass
Hydrophobic interfaces is unfavorable for sprawling of organic layer, then, inorganic layer forms organic layer the most difficult, thus have impact on organic layer
Making.
Summary of the invention
Embodiments of the invention provide a kind of array base palte and preparation method thereof, display device, and this array base palte can have
Effect is avoided pixel to define a layer surface trending towards becoming super-hydrophobic interface.
For reaching above-mentioned purpose, embodiments of the invention adopt the following technical scheme that
On the one hand, it is provided that a kind of array base palte, including: substrate and be positioned at the pixel of described substrate and define layer；
In the viewing area of described array base palte, described array base palte also includes: be arranged on described pixel define on layer and with institute
Stating pixel and define the supporting layer of layer contact, the projection over the substrate of described supporting layer is positioned at described pixel and defines layer described
In the range of projection on substrate.
Optionally, described supporting layer includes: the support unit of multiple point-like.
Optionally, described support unit is positioned at described pixel and defines at the site position of layer.
Optionally, described support unit is cylinder, trapezoid body, cuboid, hemisphere or semiellipsoid.
Optionally, described pixel defines layer and includes: the first pixel spacer body that transverse and longitudinal is intersected and the second pixel spacer body；
The distance of adjacent two described second pixel spacer bodies is a；The width of described second pixel spacer body is b；Along institute
Stating the bearing of trend of the first pixel spacer body, the distance of adjacent two described support units is c, wherein, and c=n*2* (a+b), n
For natural number.
Optionally, described supporting layer includes: the support unit of multiple strips；Described pixel defines layer and includes: transverse and longitudinal is intersected
The first pixel spacer body and the second pixel spacer body；The bearing of trend of described support unit and described first pixel spacer body or
The bearing of trend of described second pixel spacer body is identical.
Optionally, described support unit is semicircle, trapezoid or rectangle along the cross section of its width.
Optionally, all described support units are parallel to each other.
Optionally, the bearing of trend of described support unit is identical with the bearing of trend of described second pixel spacer body；
The distance of adjacent two described second pixel spacer bodies is a；The width of described second pixel spacer body is b；Along institute
Stating the bearing of trend of the first pixel spacer body, the distance of adjacent two described support units is c, wherein, and c=n*2* (a+b), n
For natural number.
Optionally, described supporting layer defines layer with described pixel and is structure as a whole.
Optionally, the material of described supporting layer is positive photoresist or negative photoresist.
Optionally, described array base palte also includes: cover described pixel define layer and the first inorganic layer of described supporting layer,
And it is sequentially located at the organic layer on described first inorganic layer and the second inorganic layer.
On the other hand, it is provided that a kind of display device, including the array base palte described in any of the above-described item.
Another further aspect, it is provided that the manufacture method of a kind of array base palte, described method includes:
Substrate is formed pixel define layer and be positioned at described pixel and define on layer and define layer with described pixel and connect
The supporting layer touched, wherein, described supporting layer is positioned at the viewing area of described array base palte, and described supporting layer is over the substrate
Projection be positioned at described pixel and define in the range of layer projection over the substrate.
The embodiment provides a kind of array base palte and preparation method thereof, display device, this array base palte includes:
Substrate and be positioned at the pixel of substrate and define layer；In the viewing area of array base palte, array base palte also includes: be arranged on
Pixel defines on layer and defines the supporting layer that layer contacts with pixel, and supporting layer projection on substrate is positioned at pixel and defines layer and exist
In the range of projection on substrate.So, pixel can be changed define the shape on layer surface by arranging supporting layer, destroy pixel
Define the surface characteristic of layer, thus be prevented effectively from pixel and define a layer surface and trend towards becoming super-hydrophobic interface.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
The structural representation one of a kind of array base palte that Fig. 1 provides for the embodiment of the present invention；
The structural representation two of a kind of array base palte that Fig. 2 provides for the embodiment of the present invention；
The structural representation three of a kind of array base palte that Fig. 3 provides for the embodiment of the present invention；
The structural representation four of a kind of array base palte that Fig. 4 provides for the embodiment of the present invention；
The structural representation five of a kind of array base palte that Fig. 5 provides for the embodiment of the present invention；
The structural representation six of a kind of array base palte that Fig. 6 provides for the embodiment of the present invention；
The structural representation seven of a kind of array base palte that Fig. 7 provides for the embodiment of the present invention；
The structural representation eight of a kind of array base palte that Fig. 8 provides for the embodiment of the present invention.
Reference:
2-pixel defines layer；3-support unit；4-the first pixel spacer body；5-the second pixel spacer body.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
In describing the invention, it is to be understood that term " on " etc. instruction orientation or position relationship be based on attached
Orientation shown in figure or position relationship, be for only for ease of the description present invention and simplify description rather than instruction or hint indication
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the present invention
Restriction.
Embodiment one
Embodiments provide a kind of array base palte, including: substrate and be positioned at the pixel of substrate and define layer,
In the viewing area of array base palte, array base palte also includes: is arranged on pixel and defines on layer and define layer with pixel and contact
Supporting layer, supporting layer projection on substrate is positioned at pixel and defines in the range of layer projection on substrate.
The projection on substrate of the above-mentioned supporting layer is positioned at pixel and defines and can include in the range of layer projection on substrate
Two kinds of situations: a kind of is that the border of supporting layer projection on substrate is entirely located in pixel and defines the limit of layer projection on substrate
Within boundary, i.e. the border of supporting layer projection on substrate and pixel defines the border of layer projection on substrate entirely without weight
Folded；Another kind is that border and the pixel of supporting layer projection on substrate defines the border of layer projection on substrate and have part weight
Folded.Here being not construed as limiting this, the embodiment of the present invention and accompanying drawing are all with whole position, border of supporting layer projection on substrate
Illustrate as a example by pixel defines within the border of layer projection on substrate.
Pixel defines layer and generally includes that the network structure of multiple opening, each opening can fill the luminescence of different colours
Material, such as red illuminating material, blue emitting material, green luminescent material etc. are to form different luminescence units.
Above-mentioned array base palte can include viewing area and be positioned at the non-display area of viewing area surrounding, wherein, is used for
The region realizing display is viewing area i.e. AA (Active Area) district, and non-display area can be used for arranging sealed plastic box, driving electricity
Road etc..It can be to be only located in viewing area that above-mentioned pixel defines layer, it is also possible to be to be positioned at viewing area and non-display area simultaneously
In territory, it is not construed as limiting here.
Above-mentioned array base palte needs, with base plate for packaging, box to be formed OLED display.If this array base palte is flexible
Substrate, then it can form flexible OLED display；If this array base palte is COA (Color Filter on Array) base
Plate (COA substrate refers to the substrate that color film layer is made on array base palte), then it can form WOLED display device.By above-mentioned battle array
Row substrate is applied in high-resolution flexible OLED display and includes, in the WOLED display device of color film layer, having more preferably
Effect.
Certainly, above-mentioned array base palte can also include thin film transistor (TFT), OLED etc., is the most only discussed in detail in array base palte
The structure relevant to inventive point, other structure refers to prior art.
Above-mentioned supporting layer can change pixel and define the shape on layer surface, destroys pixel and defines the surface characteristic of layer, thus
It is prevented effectively from pixel to define a layer surface and trend towards becoming super-hydrophobic interface.
The concrete structure that the embodiment of the present invention includes for above-mentioned supporting layer is not construed as limiting, concrete the following detailed description of two kinds
Structure.
The first, with reference to shown in Fig. 1-3, supporting layer includes: the support unit 3 of multiple point-like.Here for support unit
Distribution density, shape and position be all not construed as limiting.The support unit of multiple point-like can be being uniformly distributed as shown in Figure 3,
It can also be uneven distribution as shown in Figure 1-2；In view of reducing manufacture difficulty, can be selected the former；In view of more preferably changing
Kind pixel defines the shape on layer surface, can select the latter.
Optionally, defining the shape on layer surface to more preferably improve pixel, support unit is positioned at pixel and defines the node of layer
Position.Pixel defines layer and is illustrated in figure 2 network structure, site position i.e. dot location A shown in Fig. 2.
Optionally, support unit is cylinder, trapezoid body, cuboid, hemisphere or semiellipsoid.In view of reducing
Manufacture difficulty, many employing trapezoid bodies in reality.What Fig. 4 illustrated is, and support unit is side view during semiellipsoid, and Fig. 5 illustrates
Be support unit be side view during cuboid, what Fig. 6 illustrated is, and support unit is side view during trapezoid body.
Optionally, with reference to shown in Fig. 7, pixel defines layer 2 and includes: the first pixel spacer body 4 and the second picture that transverse and longitudinal is intersected
Element spacer body 5；The distance of adjacent two the second pixel spacer bodies 5 is a；The width of the second pixel spacer body 5 is b；Along the first picture
The bearing of trend OB of element spacer body 4, the distance of adjacent two support units is c, and wherein, c=n*2* (a+b), n are natural number.
Herein, n=1,2,3 ....Example, if n=1, a=50um, b=20um, distance c=of the most adjacent two support units
140um.Certainly, the most only describe a kind of concrete Density Distribution algorithm, certainly can also is that other algorithms, specifically can root
Factually border it needs to be determined that.It addition, the bearing of trend of the first pixel spacer body can also is that OA direction as shown in Figure 7, the second picture
The bearing of trend of element spacer body can also is that OB direction as shown in Figure 7, the most only with the bearing of trend of the first pixel spacer body
It is to illustrate as a example by the OA direction shown in Fig. 7 for the bearing of trend in the OB direction shown in Fig. 7, the second pixel spacer body.
The second, with reference to shown in Fig. 8, supporting layer includes: the support unit 3 of multiple strips；Pixel defines layer 2 and includes: horizontal
Vertical the first pixel spacer body 4 and the second pixel spacer body 5 intersected；The bearing of trend of support unit 3 and the first pixel spacer body 4
Or second the bearing of trend of pixel spacer body 5 identical (Fig. 8 is the bearing of trend with support unit 3 and the second pixel spacer body 5
Bearing of trend identical as a example by explanation).It should be noted that the bearing of trend of the first pixel spacer body can be such as Fig. 8 institute
The OB direction, the bearing of trend of the second pixel spacer body that show can be OA directions as shown in Figure 8；Certainly, the first pixel separates
The bearing of trend of body can also be OA direction as shown in Figure 8, the bearing of trend of the second pixel spacer body can also be such as Fig. 8 institute
The OB direction shown；The embodiment of the present invention and the accompanying drawing OB direction shown in all with the bearing of trend of the first pixel spacer body as Fig. 8,
The bearing of trend of the second pixel spacer body is to illustrate as a example by the OA direction shown in Fig. 8.
Optionally, support unit is semicircle, trapezoid or rectangle along the cross section of its width.In view of reducing system
Make difficulty, reality uses trapezoid more.
Optionally, for the ease of making, with reference to shown in Fig. 8, all support units 3 are parallel to each other.
Further alternative, with reference to shown in Fig. 8, the bearing of trend of support unit 3 and the extension side of the second pixel spacer body 5
To identical；The distance of adjacent two the second pixel spacer bodies 5 is a；The width of the second pixel spacer body 5 is b；Divide along the first pixel
The bearing of trend of spacer 4 i.e. OB direction, the distance of adjacent two support units 3 is c, and wherein, c=n*2* (a+b), n are nature
Number.Herein, n=1,2,3 ....Example, if n=1, a=50um, b=20um, distance c of the most adjacent two support units
=140um.Certainly, the most only describe a kind of concrete Density Distribution algorithm, certainly can also is that other algorithms, the most permissible
Determine according to actual needs.
Optionally, in order to simplify Making programme, reduce cost, above-mentioned supporting layer and pixel define layer and are structure as a whole；This
Sample, can form supporting layer by a patterning processes and define layer with pixel.Patterning processes refers to form thin film comprise
The technique of the layer of at least one pattern, including mask, exposes, develops, etches and the technique such as stripping.
Optionally, the material of supporting layer is positive photoresist or negative photoresist.Make according to positive photoresist and prop up
Support layer, it can be the phenolic polymer containing unsaturated functional group；Making supporting layer according to negative photoresist, it is permissible
It it is the polymer of unsaturated group containing Photocrosslinkables such as acrylic acid ester bond, epoxy glues.It should be noted that this supporting layer
The material that material can define layer with pixel is identical, it is also possible to different, specifically can select according to practical situation.
Optionally, above-mentioned array base palte also includes: covers pixel and defines layer and the first inorganic layer of supporting layer and successively
It is positioned at the organic layer on the first inorganic layer and the second inorganic layer.The shape on layer surface is defined owing to supporting layer changes pixel,
Destroy pixel and define the surface characteristic of layer so that pixel defines the super-hydrophobic interface of more difficult formation, layer surface；So, in pixel circle
After depositing the first inorganic layer in given layer and supporting layer, the super-hydrophobic interface of the most difficult formation, surface of the first inorganic layer；So at this
Sprawl organic layer on first inorganic layer just to seem and be relatively easy to, thus ensure that the preparation of organic layer, also ensure that thin simultaneously
The quality of film encapsulation and reliability.
Embodiment two
Embodiments provide a kind of display device, including: the array base palte of any one that embodiment one provides.Should
Display device has that packaging effect is good, the feature of length in service life.This display device can be the display devices such as OLED display
And include any products with display function such as the TV of these display devices, digital camera, mobile phone, panel computer or
Parts.
Embodiment three
Embodiments provide the manufacture method of the array base palte of a kind of any one such as embodiment one offer, the party
Method includes:
Substrate is formed pixel define layer and be positioned at pixel and define on layer and define the support that layer contacts with pixel
Layer, wherein, supporting layer is positioned at the viewing area of array base palte, and supporting layer projection on substrate is positioned at pixel and defines layer at lining
In the range of projection at the end.
The array base palte formed by said method, its supporting layer can change pixel and define the shape on layer surface, destroys
Pixel defines the surface characteristic of layer, thus is prevented effectively from pixel and defines a layer surface and trend towards becoming super-hydrophobic interface.
Optionally, in order to simplify Making programme, a patterning processes can be used to form above-mentioned pixel and to define layer and support
Layer.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art, in the technical scope that the invention discloses, can readily occur in change or replace, should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.
Claims (14)
1. an array base palte, including: substrate and be positioned at the pixel of described substrate and define layer, it is characterised in that in institute
Stating in the viewing area of array base palte, described array base palte also includes: be arranged on described pixel define on layer and with described picture
Element defines the supporting layer of layer contact, and the projection over the substrate of described supporting layer is positioned at described pixel and defines layer at described substrate
On projection in the range of.
Array base palte the most according to claim 1, it is characterised in that described supporting layer includes: the support list of multiple point-like
Unit.
Array base palte the most according to claim 2, it is characterised in that described support unit is positioned at described pixel and defines layer
At site position.
Array base palte the most according to claim 2, it is characterised in that described support unit is cylinder, trapezoid body, length
Cube, hemisphere or semiellipsoid.
5. according to the array base palte described in any one of claim 2-4, it is characterised in that described pixel defines layer and includes: transverse and longitudinal
The the first pixel spacer body intersected and the second pixel spacer body；
The distance of adjacent two described second pixel spacer bodies is a；The width of described second pixel spacer body is b；Along described
The bearing of trend of one pixel spacer body, the distance of adjacent two described support units is c, and wherein, c=n*2* (a+b), n are certainly
So number.
Array base palte the most according to claim 1, it is characterised in that described supporting layer includes: the support list of multiple strips
Unit；Described pixel defines layer and includes: the first pixel spacer body of transverse and longitudinal intersection and the second pixel spacer body；Described support unit
Bearing of trend is identical with the bearing of trend of described first pixel spacer body or described second pixel spacer body.
Array base palte the most according to claim 6, it is characterised in that described support unit along the cross section of its width is
Semicircle, trapezoid or rectangle.
8. according to the array base palte described in claim 6 or 7, it is characterised in that all described support units are parallel to each other.
Array base palte the most according to claim 8, it is characterised in that the bearing of trend of described support unit and described second
The bearing of trend of pixel spacer body is identical；
The distance of adjacent two described second pixel spacer bodies is a；The width of described second pixel spacer body is b；Along described
The bearing of trend of one pixel spacer body, the distance of adjacent two described support units is c, and wherein, c=n*2* (a+b), n are certainly
So number.
Array base palte the most according to claim 1, it is characterised in that it is one that described supporting layer and described pixel define layer
Body structure.
11. array base paltes according to claim 1, it is characterised in that the material of described supporting layer be positive photoresist or
Person's negative photoresist.
12. array base paltes according to claim 1, it is characterised in that described array base palte also includes: cover described pixel
Define layer and the first inorganic layer of described supporting layer and be sequentially located at the organic layer on described first inorganic layer and the second nothing
Machine layer.
13. 1 kinds of display devices, it is characterised in that including: the array base palte described in any one of claim 1-12.
The manufacture method of 14. 1 kinds of array base paltes as described in any one of claim 1-12, it is characterised in that described method bag
Include:
Substrate is formed pixel define layer and be positioned at described pixel and define on layer and define what layer contacted with described pixel
Supporting layer, wherein, described supporting layer is positioned at the viewing area of described array base palte, the throwing over the substrate of described supporting layer
The described pixel that is positioned at shadow defines in the range of layer projection over the substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN109950285A (en) * | 2019-03-28 | 2019-06-28 | 京东方科技集团股份有限公司 | A kind of array substrate and preparation method thereof, mask plate, display device |
| CN110581145A (en) * | 2018-06-11 | 2019-12-17 | 云谷（固安）科技有限公司 | display screen and display device |
| WO2021003743A1 (en) * | 2019-07-11 | 2021-01-14 | 深圳市柔宇科技有限公司 | Oled display panel and display apparatus |
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